package com.example.wechat.mapper;


import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.example.wechat.model.GroupMessage;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;

@Mapper
public interface GroupMessageRepository extends BaseMapper<GroupMessage>{
    List<GroupMessage> findByGroupId(Long groupId);
}